Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

EASY

Earn 100

Amongst the following statements, select the set having statements which was proposed by Dalton.
(1) All the atoms of a given element have identical properties including identical mass. Atoms of different elements differ in mass.
(2) When gases combine or reproduced in a chemical reaction they do so in a simple ratio by volume provided all gases are at the same T & P
(3) Chemical reactions involve reorganization of atoms. These are neither created nor destroyed in a chemical reaction.
(4) Matter consists of indivisible atoms

68.75% studentsanswered this correctly

Important Questions on Structure of Atom

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

A beam of fast moving alpha particles were directed towards a thin film of Gold. The parts $A^{'}, B^{'}$ and $C^{'}$ of the transmitted and reflected beams corresponding to the incident parts $A, B$ and $C$ of the beam are shown in the adjoing diagram. The number of alpha particles in

Question Image

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

4 d, 5 p, 5 f

and

6 p

orbitals are arranged in the order of decreasing energy. The correct option is:

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Which of the following equation depicts the oxidizing nature of

H_{2} O_{2}

?

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

The correct increasing order of the electronegativity is

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

The orbital nearest to the nucleus is

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Consider the reaction :

H_{2} {SO}_{3 (aq)} + {Sn}_{(aq)}^{4 +} + H_{2} O_{(l)} \to {Sn}_{(aq)}^{2 +} + {HSO}_{4 (aq)}^{-} + 3 H_{(aq)}^{+}

Which of the following statements is correct ?

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Rutherford's experiments on scattering of

α

-particles proved that:

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

The sum of the total number of neutrons present in protium, deuterium and tritium is

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Which is the correct order of increasing energy of the listed orbitals in the atom of titanium?

(At. No. Z =

22

)

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

In the cyanide extraction process of silver from argentite ore, the oxidizing and reducing agents used are respectively:

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

If the Thomson model of the atom was correct, then the result of Rutherford's gold foil experiment would have been:

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Electrons behave like gas in J.J. Thompson experiment because they

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

A filter paper soaked in salt

X

turns brown when exposed to

{HNO}_{3}

vapor. The salt

X

is

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

In Rutherford nuclear model of an atom, for a dynamically stable orbit in hydrogen atom, the orbit radius varies with the velocity of the electron as

\frac{1}{v^{a}},

where

α

is,
(Ignore radiation due to motion of electric charge)

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

According to Rutherford's experiments, the size of nucleus is about :

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Which one of the following processes involves a chemical reaction?

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

If the principal quantum number

n = 6,

the correct sequence of filling of electrons will be:

MEDIUM

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

The relation between the stopping potential

(V_{0})

and frequency

(v)

is correctly represented in [

ϕ =

Work function]

EASY

Chemistry>Physical Chemistry>Structure of Atom>Dalton's Idea of Atom

Which of the following conclusions could not be derived from Rutherford's

α

-particle scattering experiment: