0.1 mol HCl is equal to from Chemistry NEET Year 2011 Free Solve

Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

10-6 M NaOH is diluted 100 times. The pH of the diluted base is

  • between 7 and 8

  • between 5 and 6

  • between 6 and 7

  • between 10 and 11


2.

An sp3-hybrid orbital contains

  • 14 s- character

  • 12 s- character

  • 23 s-character

  • 34 s-character


3.

Hybridisation states of C in CH3+ and CH3- are

  • sp2, sp3

  • sp3, sp2

  • sp, sp2

  • sp2, sp


4.

Which one of the following complexes is outer orbital complex?

  • [Co(NH3)6]3+

  • [Mn(CN)6]4+

  • [Fe(CN)6]4-

  • [Ni(NH3)6]2+


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5.

A solution made by dissolving 40 g NaOH in 1000 g of H2O is

  • 1 molar

  • 1 normal

  • 1 molal

  • None of these


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6.

0.1 mol HCl is equal to

  • 3.65 g

  • 36.5 g

  • 18 g

  • 1.8 g


A.

3.65 g

Atomic weight of Chlorine = 35.5 gm

Atomic weight of Hydrogen = 1

Molecular mass of HCl = (35.5 + 1) gm = 36.5 gm

As 1 mole is the amount of the substance which has mass equal to gram molecular mass. Therefore, 1 mol HCl is equal to 36.5 gm and 0.1 mol HCl is equal to 3.65 gm.


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7.

Which of the following has the maximum number of unpaired electrons?

  • V3+

  • Fe2+

  • Mn2+

  • Cu+


8.

The geometry of XeF6 is

  • planar hexagon

  • regular octahedron

  • distorted octahedron

  • square bipyramid


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9.

The correct statement with regard to H2+ and H2- is

  • both H2+ and H2- are equally stable

  • both H2+ and H2- do not exist

  • H2- is more stable than H2+

  • H2+ is more stable than H2-


10.

For the reaction,

H2O(l)  H2O(g)

at 373 K and 1 atm pressure

  • H = 0

  • E = 0

  • H = TS

  • H = E


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