NMDCAT Chemical Bonding Chapter # 6NMDCAT Practice Test Chapter no 6Attempt your practice test and evaluate the preparation level. This Chapter includes Chemical Bonding 83 Dear Students 25 minutes are given to solve 25 MCQs.Your result will be displayed at the end of the quiz. Created by Umair Ali khan NMDCAT Chemistry Chapter 6 Practice Test 1 / 251) The compromised distance between two hydrogen atoms in a hydrogen molecule is a) 75.4 pm b) 134 pm c) 139 pm d) 120 pm 2 / 252) The shape of the carbonate ion is a) Square planar b) Angular c) Trigonal planar d) Tetrahedral 3 / 253) The percentage of s-character in hybrid orbital which indicates the longest bond length a) 25% s-character b) 33.4% s-character c) 50% s-character d) 75% s-character 4 / 254) Choose the true statement a) Along a period from left to right, atomic radius increases. b) Along a period from left to right, ionization energy decreases. c) Electronegativity of elements increases from right to left along a period. d) None of the above 5 / 255) The bond between carbon and oxygen in CO₂ is most likely: a) an ionic bond b) a covalent bond c) a hydrogen bond d) a dative bond 6 / 256) Which order of IE is incorrect a) Ba < Sr < Ca b) Al < Si < P c) B < Be < C d) O > N > Si 7 / 257) Which of the following electronegativity difference suggests that the bond would be ionic nature a) 0-0.4 b) 0.5-1.6 c) 1.7 or more d) cannot be predicted 8 / 258) The shortening of bonds is due to the predominant participation of ________ orbital in hybridization a) s b) p c) d d) f 9 / 259) The energy gap between 2nd ionization energy and 3rd ionization energy is very large, it is true for an element having ______ Z value belonging to ______ a) 11, I-A b) 12, II-A c) 13, III-A d) 14, IV-A 10 / 2510) The ionization energies of III-A and VI-A show an abnormal trend while moving left to the right in a period, which can be best explained by a) Atomic radius b) Nuclear charge c) Shielding effect d) Mode of an electronic configuration 11 / 2511) Which of the following will have the highest bond energy? a) A carbon-carbon bond in ethane b) A carbon-carbon bond in ethene c) A carbon-carbon bond in ethyne d) A carbon-carbon bond in benzene 12 / 2512) The bond in the fluorine molecule is formed by the overlapping of ______ on each atom of the fluorine atom a) sp3 - orbital b) sp2-orbital c) s-orbital d) 2pz - orbital 13 / 2513) The radius of an atom cannot be measured precisely because a) Atom has no sharp boundary b) Size of atom changes from one compound to other c) Finding probability of electrons never becomes zero d) All of the above 14 / 2514) The hybridization of carbon number 2 in 1,2-Butadiene a) sp3 b) sp2 c) sp d) dsp2 15 / 2515) The half of _________ bond between two similar atoms covalently bonded in a molecule is called the covalent radius. a) Single b) Double c) Triple d) All of these 16 / 2516) H3O+ contains I-Electrovalent bond II-Dative bond III-Covalent bond a) I, II and III b) I and II c) II only d) II and III 17 / 2517) Select the specie that has the highest ionic character a) CsF b) NaCl c) LiBr d) MgF 18 / 2518) The central atom of a specie having three bond pairs with no lone pair will have geometry a) Tetrahedral b) Trigonal planar c) Bent/angular d) Trigonal pyramidal 19 / 2519) The high value of the first ionization energy of nitrogen than that of oxygen is due to its a) High value of Z b) Low value of the mass number c) Increased shielding effect d) Half-filled p–subshell 20 / 2520) Which of the following species contains an sp-hybridized carbon atom a) Hydrogen cyanide b) Propyne c) Vinyl Alcohol d) 1,3-Butadiene 21 / 2521) H-O-H bond angle in H₂O is 104.5° and not 109° because of more space occupied by a) High electronegativity of oxygen b) Bond pair-bond pair c) Lone pair - lone pair d) Lone pair-bond pair 22 / 2522) Ammonia (NH3) can bond with boron trifluoride (BF). For the bond formation, the electrons are most likely supplied by a) Nitrogen b) Boron c) Hydrogen d) Both boron and nitrogen because the bond formed is covalent 23 / 2523) Which of the following types of bonds has the least electronegativity difference between the bonding atoms? a) Ionic bond b) Polar covalent bond c) Nonpolar covalent bond d) Cannot be predicted 24 / 2524) Which atomic numbers in the periodic table represent the elements that generally show abnormal trends in ionization energy a) 12 and 16 b) 13 and 16 c) 20 and 15 d) 11 and 12 25 / 2525) The elements of ______, ______ and _______ show abnormally low values of electron affinity in every period a) II-A, V-A, VIII-A b) I-A, V-A, VI-A c) III-A, VI-A, VIII-A d) I-A, II-A, III-A Write your Name and see your result. My WhatsApp no is +923099164667 for your query. Your score isThe average score is 66%Share to your social media, or take a screenshot Facebook 0% Restart quiz Exit See review Send feedback NMDCAT PreparationGET IN TOUCHVisit YouTube ChannelSubscribePages: 1 2 3 4 5 6 7 8 9 10 11 Tags: Chemical bonding NMDCAT, FSc chemistry, NMDCAT Chemistry Chapter 6, Online NMDCAT Practice Tests, Online NMDCAT PreparationPost author:Umair Ali khanPost published:August 19, 2022Post category:Latest Posts / MDCAT Preparation / Online MCQs (Quiz) Please Share This Useful Info Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Read more articles Previous PostNMDCAT Preparation Chemistry Chapter # 5 Next PostOnline NMDCAT Practice test Chapter # 7 You Might Also Like Quiz for Class 12 Chapter 1 (Students get outstanding results in exams by solving the MCQs quiz)October 27, 2021 NMDCAT Practice test + Notes Chapter #9September 1, 2022 NMDCAT Preparation Chemistry Chapter # 3July 30, 2022 This Post Has 2 Comments Hassaan August 24, 2023 Reply wow sir aapnai web bhi bna li thats great Umair Ali khan August 24, 2023 Reply Thank you! 🙂Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. 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Quiz for Class 12 Chapter 1 (Students get outstanding results in exams by solving the MCQs quiz)October 27, 2021
wow sir aapnai web bhi bna li thats great
Thank you! 🙂