Recent questions tagged Chemical

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    During the complete combustion of methane CH4 , what change in hybridisation does the carbon atom undergo? (A) sp3 to ... ) sp2 to sp3 Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    The octet rule is not obeyed in : (A) CO2 (B) BCl3 (C) PCl5 (D) SiF4 Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    A, B, C are three substances. A does not conduct electricity in the soild, molten state and aqueous solution. ... C is highy polarizing Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    Three centre – two electron bonds exist in : (A) B2H6 (B) Al2 (CH3 ) 6 (C) BeH2 (s) (D) BeCl2 (s) Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    Which of the following statement(s) is/are correct regarding ionic compounds ? (A) They are good conductors of ... and boling points Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    Most ionic compounds have : (A) high melting points and low boiling points (B) high melting points and ... the molten state Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    When an inorganic compound (X) having 3e-2e as well as 2e-2e bonds reacts with ammonia gas at a certain temperature ... similar to (X) Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    Select correct statement about B2H6 (A) Bridging groups are electron-deficient with 12 valence electrons (B) It ... correct statements Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    Which of the following pairs of nitrates gives the same gaseous products on thermal decomposition? (A) KNO3 and Pb(NO3 ... and Ca(NO3)2 Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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    When does Molecule form "T-Shape" and "Trigonal Planar" Shape in "Trigonal-Bi-Pyramidal" Geometry? [Not MCQ - Conceptual] Select the correct answer from above options...
asked Nov 29, 2021 in Education by JackTerrance
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