STD 6 SANSKRUT CH 9 SEM 2

Which of the following is a stronger acid in each of the following pairs ? (a) CH_2 (Cl ) COOH,CH_2 (F ) COOH " " (b ) CH_2 (Cl) CH_2 CH_2 COOH ,CH_3 COOH , CH_3CH(Cl) CH_2 COOH (c ) CH_3 COOH ,C_6 H_5 CH_2 COOH " " (d ) m-NO_2 C_6 H_4 COOH ,p -NO_2 C_6 H_4 COOH (e ) p-NO_2 C_6 H_4 COOH ,C_6 H_5 COOH " " ( f ) m- OHC_6 H_4 COOH,p- OHC _6 H_4 COOH

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)

Write IUPAC name of C_(6)H_(5) - CH_(2) - CH_(2) - CH = CH_(2)

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)

Given the hybridistaiton state of each carbon in the following compounds : I. CH_(2) = C = O II. CH_(3) - CH = CH_(2) III. (CH_(3))_(2) CO IV. CH_(2) = CH = C -= N v. C_(6) H_(6)

The increasing order of reactivity of the following isomeric halides with Ag NO_(3) (H_(2)O+alcohol) is (I) C_(6) H_(5) -CH=CH - CH_(2) -CH_(2) -CI (II) C_(6) H_(5) -CH =CH-underset(Cl)underset(|)(C)H-CH_(3) (III) C_(6) H_(5) - underset(CI)underset(|)C =CH-CH_(2) -CH_(3) (IV) C_6H_5-underset(Cl)underset(|)overset(C_6H_5)overset(|)C-CH=CH_2

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

Indicate sigma (sigma) and pi (pi) bonds in the following molecules : (i) C_(6)H_(6)" " (ii) C_(6)H_(12)" " (iii) CH_(2)Cl_(2)" " (iv) CH_(3)NO_(2)" " (v) HCONHCH_(3)" " (vi) CH_(2)=C=CH_(2)