STD 6 SANSKRUT CH 3 SEM 2

Classify the reagents shown in bold in the following equations as nucleophiles or electrophiles : (a) CH_3 COOH + HO^(-) to CH_3 COO^(-) + H_(2) O (b) CH_3 CH_2 Br + HS^(-) to CH_3 CH_2 SH+ Br^(-) (c ) C_6 H_6 + CH_3 CO^(+) to C_6 H_5 COCH_(3) (d) CH_3 COCH_(3) + CN^(-) to CH_3 underset(underset(CN)|)overset(overset(OH)|)C - CH_(3)

The compound that reacts with NaOH . (A) CH_(3)OH (B) CH_(3)CH_(2)OH (C) C_(6)H_(5)OH (D) C_(6)H_(5)CH_(2)OH

The state of hybridisation of C_(2),C_(3),C_(5) and C_(6) of the hydrocarbon - {:(" "CH_(3)" " CH_(3)),(" "|" "|),(CH_(3)-C-CH=CH-CH-C-=CH),(""^(7)" "^(6)| " "^(5)" "^(4)" "^(2) " "^(1)),(" "CH_(3)):} is in the following sequence :

How many of the following compounds would give Iodoform test (1) s CH_(3) - CO - CH_(2) - CO - OCH_(3) (2) C_(6) H_(5) - CO - CH_(2) - CO - C_(6)H_(5) (3) CH_(3) - CHCl - CH_(2) - CH_(3) (4) CH_(3) - CHNH_(2) - CH_(3) (5) CH_(3) - CO - CH_(2)I (6) CH_(3) - CO - O - CO - CH_(3) (7) CH_(3) - CO - O - CH_(3) (8) CH_(3) - CO - Cl (9) CH_(3) - CHOH - CH_(2) - CH_(3) (10) CH_(3) - CO - CH_(2) - CHOH - CH_(3)

Rank the following free radicals in order of decreasing stability (I)C_(6)H_(5) " "overset(.)CHC_(6)H_(5)" "(II)C_(6)H_(5)- overset(.)CH - CH = CH_(2) (III)CH_(3)-overset(.)CH - CH_(3)" "(IV) C_(6)H_(5)- overset(.)CH - CH_(3) (V) CH_(3)CH " "CHCH_(2)overset(.)CH_(2) (VI) CH_(3) - CH_(2) - underset(CH_(3))underset(|)overset(.)C-CH_(3)

Write the IUPAC names of the following : (i) CH_3 CH= CHCOOH " "(ii ) CH_3CH_2 CH_2 COOH " " (iii ) C_6 H_5 CH_2 COOH " "(iv ) (CH_3 )_3 C COOH (v ) CH_3 CH_2 COCH_2 COOH (vi ) (CH_3)_3 C CH_2 COOH " "(vii ) CH_3 - underset(OH) underset(|)CH-CH_2 COOH