Specimen paper · 2025 · CollegeDekho (mirror of CISCE PDF)
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From the same topic and chapter, at a similar level.
(A) Fill in the blanks by choosing the appropriate word(s) from those given in the [4×1] brackets: [four, three, remains same, propane, ns1-2, increases, six, propan-2-ol, (n-1)d1-10, two, decreases, Clemmensen’s, Wolff-Kishner]
In the complex ion [CoCl(en)2ONO]+, the coordination number and
the oxidation number of the central metal ion are ______ and
________.
(A) Fill in the blanks by choosing the appropriate word(s) from those given in the [4×1] brackets: [four, three, remains same, propane, ns1-2, increases, six, propan-2-ol, (n-1)d1-10, two, decreases, Clemmensen’s, Wolff-Kishner]
Propanone on reaction with zinc amalgam in the presence of
concentrated HCl gives ______ and the reaction is called _______
reduction.
What are reducing sugars? Give an example.
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3] Identify the compounds [A], [B] and [C] in the following reactions. 6[H] HNO2 + HCl C6H5NH2
C6H5NO2 [A] [B] [C]
Sn/HCl 273K-278K
(1) HNO2 (1) KCN (1) NH3/heat
3] Identify the compounds [A], [B] and [C] in the following reactions. 6[H] HNO2 + HCl C6H5NH2
CH3CH2NH2 [A] [B] [C]
(2) P/Cl2 (2) H2O/H+ (2) Br2/KOH
(A) Fill in the blanks by choosing the appropriate word(s) from those given in the [4×1] brackets: [four, three, remains same, propane, ns1-2, increases, six, propan-2-ol, (n-1)d1-10, two, decreases, Clemmensen’s, Wolff-Kishner]
The variation and magnitude of oxidation state in coordination
complexes is due to the participation of inner ________ electrons in
addition to outer __________ electrons.
(B) Select and write the correct alternative from the choices given below. [7×1]
