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QJEE-Main 2024
In acidic medium, K_2 Cr_2 O_7 shows oxidising action as represented in the half reaction Cr_2 O_7^(2-)+XH^++Ye^-→2" " A+ZH_2 O X,Y,Z and A are respectively...
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QJEE MAIN 2024
The statement(s) that are correct about the species O^(2-),F^-,Na^+and Mg^(2+). (A) All are isoelectronic (B) All have the same nuclear charge (C) O^(2-) has the...
JEE MainChemistryEasy
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QJEE MAIN 2024
Functional group present in sulphonic acid is :
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): Enthalpy of neutralisation...
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QJEE-Main2024
The number of species from the following in which the central atom uses sp^3 hybrid orbitals in its bonding is _______. $...
JEE MainChemistryEasy
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QJEE-Main 2024
If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is:
JEE MainChemistryEasy
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QJEE MAIN 2024
Identify compound (Z) in the following reaction sequence
JEE MainChemistryEasy
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QJEE MAIN 2024
Number of compounds among the following which contain sulphur as heteroatom is
Furan,Thiophene, Pyridine, Pyrrole, Cysteine, Tyrosine
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QJEE-Main 2024
The product of the following reaction is P. The number of hydroxyl groups present in...
JEE MainChemistryMedium
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QJEE MAIN 2024
The following reaction occurs in the Blast furnance where iron ore is reduced to iron metal Using the Le-chatelier's principle, predict which one of the...
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