Number System Reasoning for rrb group d exam| Reasoning Tricks| Q -1 | #shorts

(a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c) If the assertion is true but reason is false. (d) If assertion is false but reason is true. Q. Assertion: Pyrrole is an aromatic heterocyclic compound. Reason: It has cyclic delocalised 6pi electrons.

(a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c) If the assertion is true but reason is false. (d) If assertion is false but reason is true. Q. Assertion: nitration of aniline can be conveniently done by protecting the amino group by acetylation. Reason. Acetylation increases the electron density in the benzene ring.

(a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c) If the assertion is true but reason is false. (d) If assertion is false but reason is true. Q. Assertion: Oxidation of 1-nitronaphthalene gives o-nitrophthalic acid whereas 1-amino naphthalene on oxidation gives phthalic acid. Reason: An amino group attached to the benzene ring makes it resistant to oxidation whereas nito group makes the benzene ring susceptible to oxidation.

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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is true but reason is false. (d) If assertion is false but reason is true. Q. Assertion: Amines are basic in nature. Reason: Presence of lone pair of electrons on nitrogen atom.

Description OF Periods (all seven periods) || Maximum Number OF Elements in Given Period (short trick to remember) || Class Illustration with Short Tricks

Introduction OF d block Elements|| Definition OF Transition Elements||Discussion OF 3d||4d||5d Series||Short tricks to remember groups|| General Trends in properties OF Transition Element|| Metallic Character

Assertion Each taxonomic group can have two or more names. Reason Name should be short, precise and easy to pronounce.

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