Chemical Bonding MCQ Part 8

Chemical Bonding MCQ Part 8

  1. Which of the following has the shortest carbon-carbon bond length

(a)    C2 H5 OH

(b)   C2 H2

(c)    C2 H5

(d)   C2 H4

  1. The boiling point of p-nitrophenol is higher than that of o-nitrophenol of the same molecular formula because

(a)    nitro-group in the p-position be-haves in a different way from that of o-positive

(b)   no intramolecular hydrogen bonding exist in the case of p-nitrophenol

(c)    there is intermolecular hydrogen bonding in p-nitrophenol molecule

(d)   none of these

  1. Which of the following hydrides has the highest M-H bond polarity

(a)    AsH3

(b)   BiH3

(c)    SbH3

(d)   None of these

  1. Which of the following is the strongest bond

(a)    F – F

(b)   Cl – F

(c)    Br – Cl

(d)   l – Cl

  1. Which of the following bond is most polar

(a)    Cl – Cl

(b)   N – F

(c)    C – F

(d)   O – F

 

Answer Keys: 1. (b)              2. (c)              3. (b)              4. (a)              5. (c)

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