What is dissolution process?

1 Answer

Answer :

Ans: The process of dissolution a solute in a solvent is called dissolution.

Related questions

Description : How dissolution takes place by hydrogen bonding?

Last Answer : Ans: Many covalent compounds having hydroxyl group (-OH) in them are dissolved in water. In such compounds hydrogen bonds are formed between the water molecules and solute, which make them soluble in water.

Description : How dissolution takes place by hydration?

Last Answer : Ans: When an ionic compound is dissolved in water+ve hydrogen atoms of water molecule surrounds the –ve ions of solute, & -ve oxygen atoms surrounds the +ve ions and thus hold it in the dissolved form. This process is called hydration.

Description : What is colloidal solution?

Last Answer : Ans: A solution in which solute particles are bigger than those present in a true solution and which cannot be filtered id called a colloidal solution.

Description : Define freezing mixture.

Last Answer : Ans: The mixture formed by mixing ice and salt having low temperature, than the freezing point of water is called freezing mixture.

Description : Why ionic compounds are more soluble in water than others?

Last Answer : Ans: As water is a polar compound, so it dissolves ionic compounds in large amounts due to its strong interaction with ions (solute particles).

Description : Why vegetable oil is not soluble in water?

Last Answer : Ans: Water is a polar solvent and will dissolve only polar compounds whereas vegetable oil is non-polar, so as a result these are insoluble in water.

Description : Is there any case in which we cannot make saturated solution?

Last Answer : Ans: Yes, there are such solutions in which a liquid solute is soluble in a liquid solvent in all properties; we cannot make saturated solutions in such case.

Description : Why water is called as “Universal Solvent”?

Last Answer : Ans: Because it can dissolve a lot of things in it, due to presence of strong cohesive forces in it and it’s ability to form H-bonding and hydration with solutes.

Description : Why solubility of gases is lesser in liquids?

Last Answer : Ans: Gas molecules are far apart, so they have weak attractive forces among their own molecules & also have less attraction for solvent molecules as well. So they have lesser solubility in liquids.

Description : Define “ Solution”

Last Answer : A homogenous mixture of different chemical substances, which has uniform chemical properties (composition) throught and shows same physical properties, is called a solution.

Description : The degree of dissociation of an electrolyte depends on - (1) dilution (2) impurities (3) atmospheric pressure (4) method of dissolution

Last Answer : (1) dilution Explanation: The extent to which an electrolyte dissociates into ions is known as degree of dissociation or ionization and depends upon the following factors: (1) Nature of the electrolyte, (2) Temperature, (3) Dilution, (4) nature of the solvent, and (e) presence of other ions.

Description : The rate at which dissolution occurs is LEAST dependent upon which one of the following factors: w) temperature x) pressure y) solution concentration z) solute surface area

Last Answer : ANSWER: X -- PRESSURE

Description : The degree of dissociation of an electrolyte depends on (1) dilution (2) impurities (3) atmospheric pressure (4) method of dissolution

Last Answer : dilution

Description : What is formed by dissolution of base or acid in water? -Do You Know?

Last Answer : answer:

Description : Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium chloride at constant temperature is accompanied by

Last Answer : Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium ... change in entropy D. No charge in enthalpy

Description : One mole of complex compound `Co(NH_3)_5Cl_3` gives 3 moles of ions on dissolution in water. One mole of same complex reacts with two moles of `AgNO_3

Last Answer : One mole of complex compound `Co(NH_3)_5Cl_3` gives 3 moles of ions on dissolution in water. One mole of same ... [Co(NH_(3))_(3)Cl_(3)].2NH_(3)`

Description : Why does stirring increase the rate of dissolution?

Last Answer : Thr number of collisions between solute and solvent molecules is increased.

Description : Which of the following statements about the presence of gallstones in diabetes patients is/are correct? A. Gallstones occur with the same frequency in diabetes patients as in the ... have prompt elective cholecystectomy, to avoid the complications of acute cholecystitis and gallbladder necrosis.

Last Answer : Answer: E DISCUSSION: Gallstones have been found to be very prevalent in patients with type II (non-insulin-dependent) diabetes mellitus, perhaps related to the dyslipoproteinemia in ... added mortality associated with it. There is no causal relationship between diabetes and pancreatic cancer

Description : Garner Vs. Murray rule applies in case of– (A) Admission of a partner (B) Dissolution of a firm (C) Retirement of a partner (D) Death of a partner

Last Answer : Answer: Dissolution of a firm

Description : Dissolution of Partnership takes place when– (A) A partner misbehaves (B) A partner becomes of unsound mind (C) Business is running at a loss (D) A partner dies

Last Answer : Answer: A partner dies

Description : Which of the following statements is incorrect about Legislative Council? (1) 1/3rd of its members are elected by local bodies (2) President has the final power to decide about its composition (3) It is not subject to dissolution (4) Minimum strength of Legislative Council cannot be less than 40

Last Answer : (2) President has the final power to decide about its composition Explanation: President does not has the final power to decide about the legislative council composition.

Description : Which of the following is not a constitutional prerogative of the President of India? (1) Returning back an ordinary bill for reconsideration (2) Returning back a money bill for reconsideration (3) Dissolution of Lok Sabha (4) Summoning of the session of the Rajya Sabha

Last Answer : (1) Returning back an ordinary bill for reconsideration Explanation: The states and the Central Government derive power from the constitution of India.

Description : According to our Constitution, the Rajya Sabha - (1) is dissolved once in two years. (2) is dissolved every five years. (3) is dissolved every six years. (4) is not subject of dissolution

Last Answer : (4) is not subject of dissolution Explanation: Rajya Sabha is not a subject of dissolution. Lok Sabha dissolved on every five years.

Description : The discretionary powers of a Governor is limited in – (1) Appointment of Chief Minister (2) Dismissal of the Ministry (3) Dissolution of the Legislative Assembly (4) Assent to Bills

Last Answer : (4) Assent to Bills Explanation: The Sarkaria Commission examined the scope of the discretion of the Governor in relation to assent to the Bills under Article 200 of the Constitution. It viewed ... limited as is obvious by the fact that the Governor cannot withhold assent to a reconsidered Bill.

Description : Sitting of Lok Sabha can be terminated by _______ of the house. (1) Adjournment since die (2) Prorogation (3) Dissolution (4) All of the above

Last Answer : (3) Dissolution Explanation: Sitting of Lok Sabha can be terminated by Adjournment Sine die, prorogation, dissolution of the house.

Description : Which of the following is not a tool of legislative control over administration in India? (1) Dissolution of House (2) Resolutions (3) Questions (4) No Confidence Motion

Last Answer : (1) Dissolution of House Explanation: In any representative democratic state, legislature is the supreme arm of state because it consists of representatives of people. This is why, it exercises control over ... fund, cut motions, appropriation bill, vote on account, vote of debit, money bill, etc.

Description : What is formed by dissolution of base or acid in water?

Last Answer : Exothermic

Description : An example of elution is (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank (B) Separation of sugar from sugar beet by hot water (C) Dissolution of tannin out of tree barks by water (D) Recovery of vegetable oils from seeds

Last Answer : (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank

Description : A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t ... tablet is: (A) 0.54 (B) 1.04 (C) 1.24 (D) 1.94

Last Answer : (C) 1.24

Description : Leaching of coarse solid lumps is also termed as (A) Decoction (B) Dissolution (C) Percolation (D) Agitation and settling

Last Answer : (C) Percolation

Description : Which among the following changes are endothermic in nature (a) decomposition of ferrous sulphate (b) dissolution of ammonium chloride in water (c) both (a) and (b) (d) dilution of hydrochloric acid

Last Answer : (c) both (a) and (b)

Description : The death, or disability of an individual CPA and/or the dissolution and liquidation of a firm or partnership of CPAs shall be reported to the BOA not later than ___ days from the date of such death, dissolution or liquidation. a. 15 b. 30 c. 60 d. 90

Last Answer : 30

Description : What is the other name for “administrative decentralization”? a. Deconcentration b. Suburbanization c. Localization d. Dissolution

Last Answer : a. Deconcentration

Description : Election to constitute a Panchayat should be completed before – (a) Expiration of 6 months from date of its dissolution (b) Expiration of 3 months from date of its dissolution (c) Expiration of 1 year from date of its dissolution (d) Expiration of 2 months from date of its dissolution

Last Answer : (a) Expiration of 6 months from date of its dissolution

Description : Dissolution of the synaptonemal complex occurs during (a) pachytene (b) zygotene (c) diplotene (d) leptotene

Last Answer : (c) diplotene

Description : The applicability of Noyes-Whitney equation is to describe (A) First order kinetics (B) Zero order kinetics (C) Mixed order kinetics (D)Dissolution rate

Last Answer : (D)Dissolution rate

Description : Insolvency of a partner of LLP automatically results in its dissolution.

Last Answer : Insolvency of a partner of LLP automatically results in its dissolution.

Description : Insolvency of a partner of LLP automatically results in its dissolution.

Last Answer : TRUE

Description : Prolonged treatment with the following drug can promote dissolution of gallstones if the gall bladder is functional: A. Ursodeoxycholic acid B. Sodium taurocholate C. Sodium glycocholate D. Cholecystokinin

Last Answer : A. Ursodeoxycholic acid

Description : Describe in brief about dissolution test for tablets. 

Last Answer : Dissolution test: The test is done for measuring the amount of time required for a given percentage of drug substance in a tablet to go into solution under specified condition in vitro. The apparatus consists a ... ingredient in solution is not less than 70% of the stated amount.  Diagram.

Description : Which of the following are not necessarily the immediate consequences of the proclamation of the President's Rule in a State?  (a) Dissolution of the State of Ministers in the State  (b) Removal of the Council of Ministers in the State. (c ... ) and (c) (C) (a), (b), (c) and (d) (D) (b) and (c)

Last Answer : Answer: A 

Description : Which of the following powers, the President has in relation to Lok Sabha? 1. Summoning 2 Adjournment- sine die 3. Prorogation 4. Dissolution Select the correct answer from the codes given below: (A) 1 and 4 (B) 1, 2 and 3 (C) 1, 3 and 4 (D) 1, 2, 3 and 4

Last Answer : (C) 1, 3 and 4