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← JEE Main 2014 · 11 Apr · Shift 1
ChemistrySingle correct+4 / -1Question 59 of 90

JEE Main 2014 · 11 Apr · Shift 1, Chemistry question 59

Which one of the following statements is not correct ?

Choose one option
Answer and worked solution

Official answer: C

In phenol the C-O bond (about 136 pm) is shortened by resonance and sp2sp^2 carbon. In methanol it is about 142 pm, so methanol's C-O bond is longer, and statement (3) is not correct.

The other statements are correct as given: alcohols are weaker acids than water, acidity falls from primary to tertiary, and the C-O-H angle is 108.9°.