Write the structure of $2$ -hydroxybenzaldehyde.

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Solution

2-hydroxybenzaldehyde contain $- O H$ group at carbon number 2 along with the $- C H O$ group on carbon number 1.

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Q. o-Hydroxybenzaldehyde is a liquid at room temperature while p-hydroxybenzaldehyde is a high melting solid because of:

Q. p-Hydroxybenzaldehyde does not undergo Cannizzaro reaction. Explain.

Q. o-hydroxybenzadehyde is a liquid at room temperature while p-hydroxybenzaldehyde is high melting solid because there is intramolecular H-bonding in o-hydroxybenzaldehyde (weak) while intermolecular H-bonding in p-isomer (strong).
if true enter 1. else enter 0.

When 0 - hydroxybenzaldehyde is heated with ethanoic an hydride in presence sodium ethanoate, compound formed during the reaction is ?

A:p- hydroxybenzaldehyde shows higher boiling point than o-hydroxy benzaldehyde

B: Maximum molecular weight of HF in vapour state is 120(atomic weight of H=1, F=19)

C.p-hydroxybenzaldehyde can be purified by steam distillation due to inter molecular hydrogen bonding
The correct statements are

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Write the structure of 2-hydroxybenzaldehyde.

2-hydroxybenzaldehyde contain −OH group at carbon number 2 along with the −CHO group on carbon number 1.

Write the structure of $2$ -hydroxybenzaldehyde.

2-hydroxybenzaldehyde contain $- O H$ group at carbon number 2 along with the $- C H O$ group on carbon number 1.