Question: Answer to each question : 3. 4. 5. x = number of optically pure aldehyde or ketone having molecular formula of CH10O give chiral alcohol

Answer to each question :

3. 4. 5. x = number of optically pure aldehyde or ketone having molecular formula of CH10O give chiral alcohol but not racemic mixture with NaBH4/CH-OH. (Consider enantiomer separately). How many of the following compound(s) give precipitate with solution of chrome alum. (i) BaCl2 (ii) Na2CO3 (iii) (NH4)2S (iv) Excess NaOH 1 mole of an ideal gas initially present in a 2L insulated cylinder at 300 K is allowed to expand against vaccum to 8 L. then |AG in calories will be [In2 = 0.7]

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