PYQ Vault
EbooksTutor

Day 378: JEE Mains Chemistry

5 questions. Try each one first, then open its answer.

  1. Question 1

    Chemical Bonding and Molecular Structure. Asked once: 29 Jul 2022 (same type asked 15 times) See all 15 of this type

    142
    Consider, PF5,BrF5,PCl3,SF6,[ICl4]−,ClF3PF_{5},BrF_{5},PCl_{3},SF_{6},\left\lbrack ICl_{4} \right\rbrack^{-},ClF_{3} and IF5IF_{5}. Amongst the above molecule(s)/ion(s), the number of molecule(s)/ion(s) having sp3 d2sp^{3}{\text{ }d}^{2} hybridisation is_____

  2. Question 2

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 31 Jan 2024 (same type asked 15 times) See all 15 of this type

    45
    Given below are two statements: Statement I: IUPAC name of HO−CH2−(CH2)3−HO -CH_{2}-\left( CH_{2} \right)_{3}- CH2−COCH3CH_{2}-COCH_{3} is 7-hydroxyheptan-2-one. Statement II: 2-oxoheptan-7-ol is the correct IUPAC name for above compound. In the light of the above statements. choose the most appropriate answer from the options given below:

    Tap an option to check your answer.

  3. Question 3

    Some Basic Concepts of Chemistry. Asked once: 28 Jul 2022 (same type asked 14 times) See all 14 of this type

    51
    In the given reaction,
    X+Y+3Z⇌XYZ3X + Y + 3Z \rightleftharpoons XYZ_{3}
    if one mole of each of XX and YY with 0.05 mol0.05\text{ }mol of ZZ gives compound XYZ3XYZ_{3}. (Given: Atomic masses of X,YX,Y and ZZ are 10,20 and 30amu30amu, respectively). The yield of XYZ3XYZ_{3} is _____ g. (Nearest integer)

  4. Question 4

    Chemical Bonding and Molecular Structure. Asked once: 26 Jul 2022 (same type asked 13 times) See all 13 of this type

    31
    Match List - I with List - II. List -- I List - II (Compound) (Shape) (A) BrF5BrF_{5} (I) bent (B) [CrF6]3−\left\lbrack CrF_{6} \right\rbrack^{3 -} (II) square pyramidal (C) O3O_{3} (III) trigonal bipyramidal (D) PCl5PCl_{5} (IV) octahedral Choose the correct answer from the options given below :

    Tap an option to check your answer.

  5. Question 5

    Coordination Compounds. Asked once: 24 Jan 2023 (same type asked 12 times) See all 12 of this type

    126
    The hybridization and magnetic behaviour of cobalt ion in [Co(NH3)6]3+\left\lbrack Co\left( NH_{3} \right)_{6} \right\rbrack^{3 +} complex, respectively is

    Tap an option to check your answer.