Which of the following acid-base reactions will occur?
f. `H-C-=CNa+CH_3OH`
g. `H-C-=CH+CH_3Li`
h. `H-C-=CH+NaH`
i. `H-C-=CH+NaCN`
j. `H-C-=CNa+CH_3COOH`

How many of the following alkynes on treatment with dilute H_2SO_4 in presence of Hg SO_4 give a methyl ketone ? HC -= CH, CH_3C -= CH, CH_3CH_2 C -= CH, CH_3C -= C CH_3 , C_6H_5C -= CH, C_6H_5C -= C CH_3 . CH_3CH_2C -= C CH_2CH_3, CH_3CH_2CH_2C -= CH, C_6H_5CH(OH)C-=CH

The reagent used for the following reaction is/are: CH_(3)-CH=CH-C_(2)H_(5) to CH_(3)CHO+C_(2)H_(5)CHO

Arrange the following in the decresing order of acidic strength : (a) H_2 O , CH_3 OH , C_6 H_5 ,OH ,CH _2 COOH (b) CH_3 CH_2 COOH ,HOCH, C_6 H_5COOH ,ClCH_2 COOH

How would you carry out the following conversions ? (a) H_(3)C CH_(2)=CH_(2) to H_(3)C- CH_(2)CH_(2)CH_(2)OH (b) H_(3)C CH_(2)-CH =CH_(2) to H_(3)C-CH_(2)-CH(OH)CH_(2)OH (c) H_(3)C C-= CH to H_(3)C COCH_(3) (d) Br_(2)CH CHBr_(2) to HC -=CH

Arrange the following in increasing order of acidity: CH_3COOH,CH_3CH_2COOH,C_6H_5COOH,C_6H_5CH_2COOH