The oxidation number of nitrogen in HNO₃ is
The oxidation number of nitrogen in HNO₃ is
Options
(a) 4 (b) 2 (c) 5 (d) 3
Correct Answer:
5
Explanation:
No explanation available. Be the first to write the explanation for this […]
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which of the following is an example of thermosetting polymer
which of the following is an example of thermosetting polymer
Options
(a) Polythylene (b) Nylon-66 (c) Polystyrene (d) Bakelite
Correct Answer:
Bakelite
Explanation:
Thermosetting polymers are cross linked and permanently rigid polymers which […]
The number of unpaired electrons in 1s² 2s² 2p³ is
The number of unpaired electrons in 1s² 2s² 2p³ is
Options
(a) 3 (b) 1 (c) 5 (d) 2
Correct Answer:
3
Explanation:
1s² 2s² 2p³ ⇒ [1s² 2s² 2p¹(x) 2p¹(y) 2p¹(z)] / unpaired […]
In a period, the elements are arranged in strict sequence of
In a period, the elements are arranged in strict sequence of
Options
(a) increasing charge in the nucleus (b) equal charges in the nucleus (c) decreasing charge in the nucleus (d) constant charge […]
Which of the following does not react with I₂ and NaOH
Which of the following does not react with I₂ and NaOH
Options
(a) ethyl alcohol (b) acetone (c) acetaldehyde (d) propanol
Correct Answer:
propanol
Explanation:
No explanation available. Be the first to write […]