Predict the products in the given reaction CHO Cl  50% KOH (1) OH OH  OH O - O (2) OH Cl  Cl O O - (3) OH OH  OH OH (4) OH Cl  Cl O - O Sol: [4] CHO Cl  50% KOH COOK Cl  Cl OH

Predict the products in the given reaction
CHO
Cl
 50% KOH
(1)
OH
OH

OH
O
-
O
(2)
OH
Cl

Cl
O
O
-
(3)
OH
OH

OH
OH
(4)
OH
Cl

Cl
O
-
O
Sol: [4]
CHO
Cl
 50% KOH
COOK
Cl

Cl
OH
by

1 Answer

Answer :

CHO
Cl
 50% KOH
COOK
Cl

Cl
OH
by

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(i) Write down the IUPAC name of the following complex : [Cr(NH3)2CI3(en)]Cl (en = ethylenediamine) (ii) Write the formula for the following complex : Pentaamminenitrito-o-Cobalt (III) -Chemistry

Description : (i) Write down the IUPAC name of the following complex : [Cr(NH3)2CI3(en)]Cl (en = ethylenediamine) (ii) Write the formula for the following complex : Pentaamminenitrito-o-Cobalt (III) -Chemistry

Last Answer : (I) [Cr(NH3)2Cl3(en)]Cl IUPAC name : Diammine dichlorido ethylenediamine chromium (III) chloride. (ii) [Co(NH3)5(ONO)]2+

From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. (c) The element with smallest ionic radius. (d) The element with six electrons in the valence shell. (e) The element which is a liquid at room temperature. (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.

Arrange the following order of the property indicated: (a). F, Cl, Br and I (negative electron gain enthalpy) (b). Mg, Al, Si and Na (ionization enthalpy) (c). C, N, O and F (second ionization enthalpy)

Description : Arrange the following order of the property indicated: (a). F, Cl, Br and I (negative electron gain enthalpy) (b). Mg, Al, Si and Na (ionization enthalpy) (c). C, N, O and F (second ionization enthalpy)

Last Answer : Ans. (a). I

Arrange the following in the decreasing order of Vander Waal’s radii: Cl, H, O, N.

Description : Arrange the following in the decreasing order of Vander Waal’s radii: Cl, H, O, N.

Last Answer : Ans.The overall decreasing order is: Cl> N > O >H.

Which one of the following pairs of atoms would form a non-polar covalent bond? A C and O B N and O C Cl and Cl D Na and Cl E Ne and Ne

Description : Which one of the following pairs of atoms would form a non-polar covalent bond? A C and O B N and O C Cl and Cl D Na and Cl E Ne and Ne

Last Answer : C Cl and Cl

What is the oxidation number of Cl in HClO (read: H - C - L - O)?

Description : What is the oxidation number of Cl in HClO (read: H - C - L - O)?

Last Answer : ANSWER: 1+ (accept 1)