AP-EAMCET SERIES Chemistry
Group 15 Elements
9 previous year questions.
Volume: 9 Ques
Yield: Medium
High-Yield Trend
5
2024 3
2019 1
2018 Chapter Questions 9 MCQs
01
PYQ 2018
medium
chemistry ID: ap-eamce
Which of the following statements are correct? I) molecule is very reactive because of angular strain II) The basicity of is III) In gas phase, all bonds of have same bond length IV) In solid state. exists as an ionic solid, in which anion has octahedral and cation has tetrahedral shape.
1
I & II
2
II & IV
3
I & IV
4
I & III
02
PYQ 2019
medium
chemistry ID: ap-eamce
Sodium nitrite is reacted with to form , water and . Gold is dissolved in aqua-regia to form water, and and are respectively
1
2
3
4
03
PYQ 2019
medium
chemistry ID: ap-eamce
White phosphorus is heated with concentrated in atmosphere to form a gas and compound . When is bubbled into aqueous solution copper phosphide and are formed, and are respectively
1
2
3
4
04
PYQ 2019
medium
chemistry ID: ap-eamce
Which one of the following is not present in the nitration mixture?
1
2
3
4
05
PYQ 2024
medium
chemistry ID: ap-eamce
Identify the non-biodegradable wastes from the following:
[I.] Thermal power plants which produce fly ash
[II.] Wastes generated by cotton mills
[III.] Wastes produced by food processing units
[IV.] Slag produced from blast furnace
1
I \& IV only
2
II \& III only
3
I \& III only
4
II \& IV only
06
PYQ 2024
medium
chemistry ID: ap-eamce
The total number of products formed in the following reactions:
LiNO Products NaNO Products Be(NO ) Products
LiNO Products NaNO Products Be(NO ) Products
1
7
2
9
3
6
4
8
07
PYQ 2024
medium
chemistry ID: ap-eamce
In which of the following reactions, hydrogen is one of the products formed?
Reaction of BF with LiAlH in diethyl ether Hydrolysis of diborane Oxidation of sodium borohydride with iodine Combustion of diborane
Reaction of BF with LiAlH in diethyl ether Hydrolysis of diborane Oxidation of sodium borohydride with iodine Combustion of diborane
1
ii, iv only
2
ii, iii only
3
i, iii only
4
i, iv only
08
PYQ 2024
medium
chemistry ID: ap-eamce
In the disproportionation reaction of nitrous acid, X is formed along with nitric acid and water. X can also be obtained by the reaction of:
1
Zn + dil. HNO
2
Zn + Conc. HNO
3
Cu + dil. HNO
4
Cu + Conc. HNO
09
PYQ 2024
medium
chemistry ID: ap-eamce
Identify the correctly matched sets:
CO - neutral oxide GeO - acidic oxide PbO - basic oxide
1
i, iii only
2
ii, iii only
3
i, ii only
4
i, ii, iii