BRILLIANT PUBLICATION|Exercise LEVEL - II (Assertion-Reason)|5 Videos
CHEMICAL BONDING
BRILLIANT PUBLICATION|Exercise LEVEL-III ( Linked Comprehension Type )|12 Videos
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In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : Bond angle of H_2S is smaller than H_2O in gas phase. Reason : Electronegativity of the central atom increases, bond angle decreases.
Assertion: The bond angle in alcohols is slightly less than the tetrahedral angle. Reason: In alcohols, the oxygen.of -OH group is attached to carbon by a sigma bond formed by the overlap of a sp^3 hybridised orbital of carbon with sp^3 hybridised orbital of oxygen.
Assertion: CO_2 is non polar, while ROR is polar in nature. Reason: The dipole moments of two CO bonds are equal and opposite to each other in CO_2 , while in R-O-R molecules two dipoles of the R-O bonds are inclined to each other at an angle of 110°.
BRILLIANT PUBLICATION-CHEMICAL AND IONIC EQUILIBRIUM-Level - III (Linked Comprehension Type Questions)