185732
The number of electrons in a mole of hydrogen molecule is
1 \(12.046 \times {10^{23}}\)
2 \(6.02 \times {10^{23}}\)
3 \(3.0115 \times {10^{23}}\)
4 Indefinite
Explanation:
\(1\, mole\) of \(H _2\) contains \(6.023 \times 10^{23}\) molecules and each molecule of \(H _2\) contains two electrons. Hence the total no. of electrons in one mole of \(H _2\) are \(12.046 \times 10^{23}\).
Some Basic Concepts of Chemistry
185733
The numbers of moles of \(BaC{O_3}\) which contain \(1.5\) moles of oxygen atoms is
1 \(0.5\)
2 \(1\)
3 \(3\)
4 \(6.02 \times {10^{23}}\)
Explanation:
(a) \(3\) moles of oxygen is that in \(1 \) mole of \(BaC{O_3}\) \(\therefore \) \(1.5\) moles of oxygen is that in mole of \(BaC{O_3}\) \( = \frac{1}{3} \times 1.5\)\( = \frac{1}{2} = 0.5\)
Some Basic Concepts of Chemistry
185771
Vapour density of a gas is \(22\). What is its molecular mass
1 \(33\)
2 \(22\)
3 \(44\)
4 \(11\)
Explanation:
(c)\(MW = 2 \times V.D.\)\( = 2 \times 22 = 44\).
Some Basic Concepts of Chemistry
185772
Equivalent weight of \(KMn{O_4}\) acting as an oxidant in acidic medium is
1 The same as its molecular weight
2 Half of its molecular weight
3 One-third of its molecular weight
4 One-fifth of its molecular weight
Explanation:
(d)
Some Basic Concepts of Chemistry
185819
In standardization of \(N{a_2}{S_2}{O_3}\) using \({K_2}C{r_2}{O_7}\) by iodometry, the equivalent weight of \({K_2}C{r_2}{O_7}\) is
185732
The number of electrons in a mole of hydrogen molecule is
1 \(12.046 \times {10^{23}}\)
2 \(6.02 \times {10^{23}}\)
3 \(3.0115 \times {10^{23}}\)
4 Indefinite
Explanation:
\(1\, mole\) of \(H _2\) contains \(6.023 \times 10^{23}\) molecules and each molecule of \(H _2\) contains two electrons. Hence the total no. of electrons in one mole of \(H _2\) are \(12.046 \times 10^{23}\).
Some Basic Concepts of Chemistry
185733
The numbers of moles of \(BaC{O_3}\) which contain \(1.5\) moles of oxygen atoms is
1 \(0.5\)
2 \(1\)
3 \(3\)
4 \(6.02 \times {10^{23}}\)
Explanation:
(a) \(3\) moles of oxygen is that in \(1 \) mole of \(BaC{O_3}\) \(\therefore \) \(1.5\) moles of oxygen is that in mole of \(BaC{O_3}\) \( = \frac{1}{3} \times 1.5\)\( = \frac{1}{2} = 0.5\)
Some Basic Concepts of Chemistry
185771
Vapour density of a gas is \(22\). What is its molecular mass
1 \(33\)
2 \(22\)
3 \(44\)
4 \(11\)
Explanation:
(c)\(MW = 2 \times V.D.\)\( = 2 \times 22 = 44\).
Some Basic Concepts of Chemistry
185772
Equivalent weight of \(KMn{O_4}\) acting as an oxidant in acidic medium is
1 The same as its molecular weight
2 Half of its molecular weight
3 One-third of its molecular weight
4 One-fifth of its molecular weight
Explanation:
(d)
Some Basic Concepts of Chemistry
185819
In standardization of \(N{a_2}{S_2}{O_3}\) using \({K_2}C{r_2}{O_7}\) by iodometry, the equivalent weight of \({K_2}C{r_2}{O_7}\) is
185732
The number of electrons in a mole of hydrogen molecule is
1 \(12.046 \times {10^{23}}\)
2 \(6.02 \times {10^{23}}\)
3 \(3.0115 \times {10^{23}}\)
4 Indefinite
Explanation:
\(1\, mole\) of \(H _2\) contains \(6.023 \times 10^{23}\) molecules and each molecule of \(H _2\) contains two electrons. Hence the total no. of electrons in one mole of \(H _2\) are \(12.046 \times 10^{23}\).
Some Basic Concepts of Chemistry
185733
The numbers of moles of \(BaC{O_3}\) which contain \(1.5\) moles of oxygen atoms is
1 \(0.5\)
2 \(1\)
3 \(3\)
4 \(6.02 \times {10^{23}}\)
Explanation:
(a) \(3\) moles of oxygen is that in \(1 \) mole of \(BaC{O_3}\) \(\therefore \) \(1.5\) moles of oxygen is that in mole of \(BaC{O_3}\) \( = \frac{1}{3} \times 1.5\)\( = \frac{1}{2} = 0.5\)
Some Basic Concepts of Chemistry
185771
Vapour density of a gas is \(22\). What is its molecular mass
1 \(33\)
2 \(22\)
3 \(44\)
4 \(11\)
Explanation:
(c)\(MW = 2 \times V.D.\)\( = 2 \times 22 = 44\).
Some Basic Concepts of Chemistry
185772
Equivalent weight of \(KMn{O_4}\) acting as an oxidant in acidic medium is
1 The same as its molecular weight
2 Half of its molecular weight
3 One-third of its molecular weight
4 One-fifth of its molecular weight
Explanation:
(d)
Some Basic Concepts of Chemistry
185819
In standardization of \(N{a_2}{S_2}{O_3}\) using \({K_2}C{r_2}{O_7}\) by iodometry, the equivalent weight of \({K_2}C{r_2}{O_7}\) is
185732
The number of electrons in a mole of hydrogen molecule is
1 \(12.046 \times {10^{23}}\)
2 \(6.02 \times {10^{23}}\)
3 \(3.0115 \times {10^{23}}\)
4 Indefinite
Explanation:
\(1\, mole\) of \(H _2\) contains \(6.023 \times 10^{23}\) molecules and each molecule of \(H _2\) contains two electrons. Hence the total no. of electrons in one mole of \(H _2\) are \(12.046 \times 10^{23}\).
Some Basic Concepts of Chemistry
185733
The numbers of moles of \(BaC{O_3}\) which contain \(1.5\) moles of oxygen atoms is
1 \(0.5\)
2 \(1\)
3 \(3\)
4 \(6.02 \times {10^{23}}\)
Explanation:
(a) \(3\) moles of oxygen is that in \(1 \) mole of \(BaC{O_3}\) \(\therefore \) \(1.5\) moles of oxygen is that in mole of \(BaC{O_3}\) \( = \frac{1}{3} \times 1.5\)\( = \frac{1}{2} = 0.5\)
Some Basic Concepts of Chemistry
185771
Vapour density of a gas is \(22\). What is its molecular mass
1 \(33\)
2 \(22\)
3 \(44\)
4 \(11\)
Explanation:
(c)\(MW = 2 \times V.D.\)\( = 2 \times 22 = 44\).
Some Basic Concepts of Chemistry
185772
Equivalent weight of \(KMn{O_4}\) acting as an oxidant in acidic medium is
1 The same as its molecular weight
2 Half of its molecular weight
3 One-third of its molecular weight
4 One-fifth of its molecular weight
Explanation:
(d)
Some Basic Concepts of Chemistry
185819
In standardization of \(N{a_2}{S_2}{O_3}\) using \({K_2}C{r_2}{O_7}\) by iodometry, the equivalent weight of \({K_2}C{r_2}{O_7}\) is
185732
The number of electrons in a mole of hydrogen molecule is
1 \(12.046 \times {10^{23}}\)
2 \(6.02 \times {10^{23}}\)
3 \(3.0115 \times {10^{23}}\)
4 Indefinite
Explanation:
\(1\, mole\) of \(H _2\) contains \(6.023 \times 10^{23}\) molecules and each molecule of \(H _2\) contains two electrons. Hence the total no. of electrons in one mole of \(H _2\) are \(12.046 \times 10^{23}\).
Some Basic Concepts of Chemistry
185733
The numbers of moles of \(BaC{O_3}\) which contain \(1.5\) moles of oxygen atoms is
1 \(0.5\)
2 \(1\)
3 \(3\)
4 \(6.02 \times {10^{23}}\)
Explanation:
(a) \(3\) moles of oxygen is that in \(1 \) mole of \(BaC{O_3}\) \(\therefore \) \(1.5\) moles of oxygen is that in mole of \(BaC{O_3}\) \( = \frac{1}{3} \times 1.5\)\( = \frac{1}{2} = 0.5\)
Some Basic Concepts of Chemistry
185771
Vapour density of a gas is \(22\). What is its molecular mass
1 \(33\)
2 \(22\)
3 \(44\)
4 \(11\)
Explanation:
(c)\(MW = 2 \times V.D.\)\( = 2 \times 22 = 44\).
Some Basic Concepts of Chemistry
185772
Equivalent weight of \(KMn{O_4}\) acting as an oxidant in acidic medium is
1 The same as its molecular weight
2 Half of its molecular weight
3 One-third of its molecular weight
4 One-fifth of its molecular weight
Explanation:
(d)
Some Basic Concepts of Chemistry
185819
In standardization of \(N{a_2}{S_2}{O_3}\) using \({K_2}C{r_2}{O_7}\) by iodometry, the equivalent weight of \({K_2}C{r_2}{O_7}\) is
